fkie_cve-2024-40969
Vulnerability from fkie_nvd
Published
2024-07-12 13:15
Modified
2024-11-21 09:31
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: don't set RO when shutting down f2fs Shutdown does not check the error of thaw_super due to readonly, which causes a deadlock like below. f2fs_ioc_shutdown(F2FS_GOING_DOWN_FULLSYNC) issue_discard_thread - bdev_freeze - freeze_super - f2fs_stop_checkpoint() - f2fs_handle_critical_error - sb_start_write - set RO - waiting - bdev_thaw - thaw_super_locked - return -EINVAL, if sb_rdonly() - f2fs_stop_discard_thread -> wait for kthread_stop(discard_thread);
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1036d3ea7a32cb7cee00885c73a1f2ba7fbc499aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1036d3ea7a32cb7cee00885c73a1f2ba7fbc499aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "97F8F699-7041-44A4-9087-0E1FFC0543C8",
                     versionEndExcluding: "6.6.36",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "0A047AF2-94AC-4A3A-B32D-6AB930D8EF1C",
                     versionEndExcluding: "6.9.7",
                     versionStartIncluding: "6.7",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: don't set RO when shutting down f2fs\n\nShutdown does not check the error of thaw_super due to readonly, which\ncauses a deadlock like below.\n\nf2fs_ioc_shutdown(F2FS_GOING_DOWN_FULLSYNC)        issue_discard_thread\n - bdev_freeze\n  - freeze_super\n - f2fs_stop_checkpoint()\n  - f2fs_handle_critical_error                     - sb_start_write\n    - set RO                                         - waiting\n - bdev_thaw\n  - thaw_super_locked\n    - return -EINVAL, if sb_rdonly()\n - f2fs_stop_discard_thread\n  -> wait for kthread_stop(discard_thread);",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se resolvió la siguiente vulnerabilidad: f2fs: no configure RO al apagar f2fs El apagado no verifica el error de thaw_super debido a solo lectura, lo que causa un punto muerto como el que se muestra a continuación. f2fs_ioc_shutdown(F2FS_GOING_DOWN_FULLSYNC) issues_discard_thread - bdev_freeze - frozen_super - f2fs_stop_checkpoint() - f2fs_handle_critical_error - sb_start_write - establecer RO - esperando - bdev_thaw - thaw_super_locked - devolver -EINVAL, si sb_rdonly() - card_thread -> esperar kthread_stop(discard_thread);",
      },
   ],
   id: "CVE-2024-40969",
   lastModified: "2024-11-21T09:31:58.417",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 5.5,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2024-07-12T13:15:18.627",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/1036d3ea7a32cb7cee00885c73a1f2ba7fbc499a",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/1036d3ea7a32cb7cee00885c73a1f2ba7fbc499a",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563",
      },
   ],
   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-667",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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